952
FZUS51 KBOX 161704
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
104 PM EDT TUE JUN 16 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-170600-
104 PM EDT TUE JUN 16 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
HIGH PRES SW OF THE WATERS TODAY BRINGING DRY CONDITIONS. NEXT
SYSTEM ARRIVES THU, BRINGING INCREASING SEAS AND WINDS WITH SHOWERS
AND STORMS POSSIBLE LATER IN DAY. BREEZY CONDITIONS AND ELEVATED
SEAS CONTINUE FRIDAY AND SATURDAY.
ANZ250-170600-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
104 PM EDT TUE JUN 16 2026
THIS AFTERNOON
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SE 2 FT AT 7 SECONDS AND W 1 FOOT AT 4 SECONDS.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
SW 5 TO 10 KT AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: SE
2 FT AT 6 SECONDS AND NW 1 FOOT AT 3 SECONDS.
WED
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND SE 2 FT
AT 7 SECONDS.
WED NIGHT
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 5 SECONDS.
THU
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, INCREASING TO
20 TO 25 KT WITH GUSTS UP TO 30 KT IN THE AFTERNOON. SEAS 2 TO
3 FT, BUILDING TO 3 TO 5 FT IN THE AFTERNOON. WAVE DETAIL: SW
2 FT AT 3 SECONDS AND SE 2 FT AT 7 SECONDS, BECOMING SE 5 FT AT
6 SECONDS. PATCHY FOG IN THE AFTERNOON. A CHANCE OF SHOWERS IN
THE AFTERNOON WITH VSBY 1 TO 3 NM.
THU NIGHT
S WINDS 20 TO 25 KT, BECOMING SW 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW 5 FT
AT 6 SECONDS AND E 2 FT AT 7 SECONDS. A CHANCE OF SHOWERS IN THE
EVENING.
FRI THROUGH SAT NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 2 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ251-170600-
MASSACHUSETTS BAY AND IPSWICH BAY-
104 PM EDT TUE JUN 16 2026
THIS AFTERNOON
S WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SE 2 FT AT 7 SECONDS AND W 1 FOOT AT 3 SECONDS.
TONIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S
2 FT AT 3 SECONDS AND E 2 FT AT 6 SECONDS.
WED
S WINDS 5 TO 10 KT, BECOMING SE 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. SEAS 1 FOOT OR LESS, THEN AROUND 2 FT
IN THE AFTERNOON. WAVE DETAIL: S 1 FOOT AT 3 SECONDS AND E 1 FOOT
AT 6 SECONDS, BECOMING SE 2 FT AT 5 SECONDS.
WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE
DETAIL: SE 2 FT AT 6 SECONDS.
THU
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, INCREASING TO
15 TO 20 KT WITH GUSTS UP TO 30 KT IN THE AFTERNOON. SEAS 2 TO
4 FT. WAVE DETAIL: SE 4 FT AT 5 SECONDS. A CHANCE OF SHOWERS.
PATCHY FOG IN THE AFTERNOON WITH VSBY 1 TO 3 NM.
THU NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT,
DIMINISHING TO 10 TO 15 KT WITH GUSTS UP TO 20 KT AFTER MIDNIGHT.
SEAS 2 TO 4 FT. WAVE DETAIL: SE 4 FT AT 6 SECONDS. A CHANCE OF
SHOWERS IN THE EVENING.
FRI THROUGH SAT NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 2 TO 3 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ231-170600-
CAPE COD BAY-
104 PM EDT TUE JUN 16 2026
THIS AFTERNOON
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: NW 1 FOOT AT 4 SECONDS AND NE 1 FOOT AT 5 SECONDS.
TONIGHT
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND NE 1 FOOT
AT 5 SECONDS.
WED
S WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS, THEN AROUND 2 FT
IN THE AFTERNOON. WAVE DETAIL: SW 1 FOOT AT 4 SECONDS AND NE
1 FOOT AT 4 SECONDS, BECOMING S 1 FOOT AT 3 SECONDS AND E 1 FOOT
AT 7 SECONDS.
WED NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT IN THE EVENING,
THEN 1 FOOT OR LESS. WAVE DETAIL: S 1 FOOT AT 3 SECONDS AND E
1 FOOT AT 8 SECONDS, BECOMING SE 1 FOOT AT 4 SECONDS.
THU
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, INCREASING TO
15 TO 20 KT WITH GUSTS UP TO 30 KT IN THE AFTERNOON. SEAS 2 TO
4 FT. WAVE DETAIL: SE 3 FT AT 5 SECONDS AND SE 1 FOOT AT
15 SECONDS. A CHANCE OF SHOWERS IN THE AFTERNOON.
THU NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT,
DIMINISHING TO 10 TO 15 KT WITH GUSTS UP TO 20 KT AFTER MIDNIGHT.
SEAS 2 TO 4 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND E 3 FT AT
8 SECONDS. A CHANCE OF SHOWERS IN THE EVENING.
FRI THROUGH SAT NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 2 TO 3 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ254-170600-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
104 PM EDT TUE JUN 16 2026
THIS AFTERNOON
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SE 3 FT AT 7 SECONDS AND W 2 FT AT 4 SECONDS.
TONIGHT
SW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. GUSTS UP TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 7 SECONDS AND W 2 FT AT 4 SECONDS.
WED
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT
AT 7 SECONDS AND W 1 FOOT AT 4 SECONDS.
WED NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SE
2 FT AT 7 SECONDS AND SW 1 FOOT AT 3 SECONDS.
THU
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, INCREASING TO
15 TO 20 KT WITH GUSTS UP TO 30 KT IN THE AFTERNOON. SEAS 2 TO
4 FT, BUILDING TO 4 TO 6 FT IN THE AFTERNOON. WAVE DETAIL: S 3 FT
AT 6 SECONDS AND E 1 FOOT AT 7 SECONDS, BECOMING S 5 FT AT
6 SECONDS AND E 1 FOOT AT 7 SECONDS. A CHANCE OF SHOWERS IN THE
AFTERNOON.
THU NIGHT
SW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT
AFTER MIDNIGHT. GUSTS UP TO 30 KT. SEAS 5 TO 7 FT. WAVE DETAIL:
SW 7 FT AT 6 SECONDS AND E 1 FOOT AT 7 SECONDS. A CHANCE OF
SHOWERS.
FRI
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT.
FRI NIGHT THROUGH SAT NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP
TO 25 KT. SEAS 3 TO 5 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ255-170600-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
104 PM EDT TUE JUN 16 2026
THIS AFTERNOON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT AT 8 SECONDS AND W 2 FT AT
5 SECONDS.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE
DETAIL: SW 3 FT AT 5 SECONDS AND S 3 FT AT 8 SECONDS.
WED
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT
7 SECONDS AND W 1 FOOT AT 4 SECONDS.
WED NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S
3 FT AT 7 SECONDS AND SW 1 FOOT AT 4 SECONDS.
THU
S WINDS 10 TO 15 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 3 TO 4 FT, BUILDING TO 5 TO
7 FT IN THE AFTERNOON. WAVE DETAIL: SW 4 FT AT 7 SECONDS AND E
1 FOOT AT 6 SECONDS, BECOMING SE 7 FT AT 7 SECONDS AND W 1 FOOT
AT 7 SECONDS.
THU NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
6 TO 9 FT. WAVE DETAIL: S 8 FT AT 7 SECONDS AND W 2 FT AT
8 SECONDS. A CHANCE OF SHOWERS.
FRI THROUGH SAT NIGHT
W WINDS 20 TO 25 KT. SEAS 4 TO 6 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ256-170600-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
104 PM EDT TUE JUN 16 2026
THIS AFTERNOON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: W 3 FT AT 4 SECONDS AND S 3 FT AT
8 SECONDS.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE
DETAIL: W 3 FT AT 4 SECONDS AND S 3 FT AT 8 SECONDS.
WED
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT
AT 6 SECONDS AND E 1 FOOT AT 6 SECONDS.
WED NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SE
3 FT AT 7 SECONDS AND SW 1 FOOT AT 4 SECONDS.
THU
S WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT, BUILDING TO 5 TO
8 FT IN THE AFTERNOON. WAVE DETAIL: SE 4 FT AT 6 SECONDS,
BECOMING SW 7 FT AT 7 SECONDS AND E 1 FOOT AT 7 SECONDS.
THU NIGHT
SW WINDS 20 TO 25 KT, BECOMING W 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 7 TO 9 FT, SUBSIDING TO 5 TO
8 FT AFTER MIDNIGHT. WAVE DETAIL: S 8 FT AT 7 SECONDS AND W 3 FT
AT 8 SECONDS, BECOMING SW 8 FT AT 7 SECONDS AND SE 1 FOOT AT
7 SECONDS.
FRI THROUGH SAT
W WINDS 20 TO 25 KT. SEAS 4 TO 6 FT.
SAT NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ232-170600-
NANTUCKET SOUND-
104 PM EDT TUE JUN 16 2026
THIS AFTERNOON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT AT 3 SECONDS AND E 1 FOOT AT
7 SECONDS.
TONIGHT
SW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. GUSTS UP TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT
AT 4 SECONDS AND E 1 FOOT AT 7 SECONDS.
WED
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW
1 FOOT AT 4 SECONDS AND SE 1 FOOT AT 7 SECONDS.
WED NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S
1 FOOT AT 6 SECONDS.
THU
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, INCREASING TO
20 TO 25 KT WITH GUSTS UP TO 30 KT IN THE AFTERNOON. SEAS 2 TO
3 FT, BUILDING TO 3 TO 5 FT IN THE AFTERNOON. WAVE DETAIL: S 2 FT
AT 7 SECONDS AND SE 1 FOOT AT 15 SECONDS, BECOMING S 4 FT AT
6 SECONDS AND SE 1 FOOT AT 15 SECONDS. A CHANCE OF SHOWERS IN THE
AFTERNOON.
THU NIGHT
SW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT
AFTER MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL:
SW 4 FT AT 6 SECONDS AND E 1 FOOT AT 7 SECONDS. A CHANCE OF
SHOWERS.
FRI THROUGH SAT NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO
25 KT. SEAS 2 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ233-170600-
VINEYARD SOUND-
104 PM EDT TUE JUN 16 2026
THIS AFTERNOON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND SW 2 FT AT
8 SECONDS.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 3 FT AT 5 SECONDS AND SW 2 FT AT 8 SECONDS.
WED
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT
AT 6 SECONDS AND E 1 FOOT AT 8 SECONDS.
WED NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S
2 FT AT 7 SECONDS.
THU
S WINDS 10 TO 15 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 2 TO 3 FT, BUILDING TO 4 TO
6 FT IN THE AFTERNOON. WAVE DETAIL: S 3 FT AT 7 SECONDS AND SE
2 FT AT 10 SECONDS, BECOMING SW 5 FT AT 7 SECONDS AND SE 1 FOOT
AT 7 SECONDS. A CHANCE OF SHOWERS IN THE AFTERNOON.
THU NIGHT
SW WINDS 20 TO 25 KT, BECOMING W 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 4 TO 6 FT. WAVE DETAIL: S 6 FT
AT 7 SECONDS. A CHANCE OF SHOWERS IN THE EVENING.
FRI THROUGH SAT NIGHT
W WINDS 20 TO 25 KT. SEAS 2 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ234-170600-
BUZZARDS BAY-
104 PM EDT TUE JUN 16 2026
THIS AFTERNOON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND E 1 FOOT AT
6 SECONDS.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 3 FT AT 4 SECONDS AND SW 2 FT AT 7 SECONDS.
WED
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW
1 FOOT AT 6 SECONDS AND E 1 FOOT AT 9 SECONDS.
WED NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S
2 FT AT 7 SECONDS.
THU
S WINDS 10 TO 15 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 2 TO 3 FT, BUILDING TO 3 TO
5 FT IN THE AFTERNOON. WAVE DETAIL: S 2 FT AT 7 SECONDS AND S
2 FT AT 13 SECONDS, BECOMING S 4 FT AT 7 SECONDS. A CHANCE OF
SHOWERS IN THE AFTERNOON.
THU NIGHT
SW WINDS 20 TO 25 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL:
SW 4 FT AT 5 SECONDS AND W 4 FT AT 8 SECONDS. A CHANCE OF SHOWERS
IN THE EVENING.
FRI THROUGH SAT NIGHT
W WINDS 20 TO 25 KT. SEAS 2 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ235-170600-
RHODE ISLAND SOUND-
104 PM EDT TUE JUN 16 2026
THIS AFTERNOON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND S 3 FT AT
8 SECONDS.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE
DETAIL: S 4 FT AT 8 SECONDS AND W 3 FT AT 4 SECONDS.
WED
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT
AT 6 SECONDS AND E 1 FOOT AT 7 SECONDS.
WED NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
2 FT AT 7 SECONDS.
THU
S WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT, BUILDING TO 4 TO
6 FT IN THE AFTERNOON. WAVE DETAIL: S 4 FT AT 8 SECONDS AND SW
1 FOOT AT 4 SECONDS, BECOMING S 6 FT AT 7 SECONDS. A CHANCE OF
SHOWERS IN THE AFTERNOON.
THU NIGHT
SW WINDS 20 TO 25 KT, BECOMING W 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 5 TO 8 FT. WAVE DETAIL: S 8 FT
AT 7 SECONDS. A CHANCE OF SHOWERS IN THE EVENING.
FRI THROUGH SAT NIGHT
W WINDS 20 TO 25 KT. SEAS 3 TO 5 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ237-170600-
BLOCK ISLAND SOUND-
104 PM EDT TUE JUN 16 2026
THIS AFTERNOON
SW WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 8 SECONDS AND SW 2 FT AT
4 SECONDS.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 3 FT AT 8 SECONDS AND W 2 FT AT 4 SECONDS.
WED
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT
AT 6 SECONDS AND E 1 FOOT AT 7 SECONDS.
WED NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
2 FT AT 7 SECONDS AND SW 1 FOOT AT 4 SECONDS.
THU
S WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT, BUILDING TO 4 TO
6 FT IN THE AFTERNOON. WAVE DETAIL: SE 3 FT AT 7 SECONDS AND SW
1 FOOT AT 4 SECONDS, BECOMING S 6 FT AT 7 SECONDS. A CHANCE OF
SHOWERS IN THE AFTERNOON.
THU NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 7 FT. WAVE DETAIL: SW 6 FT AT 6 SECONDS AND SE 2 FT AT
8 SECONDS. A CHANCE OF SHOWERS IN THE EVENING.
FRI
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT.
FRI NIGHT THROUGH SAT NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP
TO 25 KT. SEAS 2 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ230-170600-
BOSTON HARBOR-
104 PM EDT TUE JUN 16 2026
THIS AFTERNOON
SE WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
WED
S WINDS AROUND 5 KT, BECOMING SE 10 TO 15 KT WITH GUSTS UP
TO 20 KT IN THE AFTERNOON. WAVES 1 FOOT OR LESS, THEN AROUND 2 FT
IN THE AFTERNOON.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES AROUND 2 FT IN THE
EVENING, THEN 1 FOOT OR LESS.
THU
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING S
15 TO 20 KT WITH GUSTS UP TO 30 KT IN THE AFTERNOON. WAVES 2 TO
3 FT. A CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS LIKELY IN
THE AFTERNOON.
THU NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT,
BECOMING W 10 TO 15 KT WITH GUSTS UP TO 20 KT AFTER MIDNIGHT.
WAVES AROUND 2 FT. A CHANCE OF SHOWERS IN THE EVENING.
FRI THROUGH SAT NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. WAVES AROUND 2 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ236-170600-
NARRAGANSETT BAY-
104 PM EDT TUE JUN 16 2026
THIS AFTERNOON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES 2 TO 3 FT.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT.
WED
S WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
THU
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, INCREASING TO
15 TO 20 KT WITH GUSTS UP TO 30 KT IN THE AFTERNOON. WAVES 2 TO
3 FT, BUILDING TO 3 TO 5 FT IN THE AFTERNOON. A CHANCE OF SHOWERS
IN THE AFTERNOON.
THU NIGHT
SW WINDS 15 TO 20 KT, BECOMING W 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. WAVES 3 TO 5 FT. A CHANCE OF SHOWERS
IN THE EVENING.
FRI THROUGH SAT NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO
25 KT. WAVES 2 TO 3 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ280-170600-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
104 PM EDT TUE JUN 16 2026
THIS AFTERNOON
SW WINDS AROUND 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: S 3 FT AT 8 SECONDS AND W 2 FT AT 4 SECONDS.
TONIGHT
SW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. GUSTS UP TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT
AT 8 SECONDS AND W 2 FT AT 4 SECONDS.
WED
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT
8 SECONDS AND SW 1 FOOT AT 3 SECONDS.
WED NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
2 FT AT 7 SECONDS AND SW 1 FOOT AT 3 SECONDS.
THU
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, INCREASING TO
20 TO 25 KT WITH GUSTS UP TO 30 KT IN THE AFTERNOON. SEAS 2 TO
4 FT, BUILDING TO 4 TO 6 FT IN THE AFTERNOON. WAVE DETAIL: SE
2 FT AT 7 SECONDS AND SW 1 FOOT AT 3 SECONDS, BECOMING S 5 FT AT
5 SECONDS AND E 1 FOOT AT 7 SECONDS. PATCHY FOG IN THE AFTERNOON.
A CHANCE OF SHOWERS IN THE AFTERNOON WITH VSBY 1 TO 3 NM.
THU NIGHT
S WINDS 20 TO 25 KT, BECOMING SW 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 35 KT. SEAS 5 TO 7 FT. WAVE DETAIL: SW 7 FT
AT 6 SECONDS AND E 3 FT AT 7 SECONDS. A CHANCE OF SHOWERS. PATCHY
FOG IN THE EVENING. VSBY 1 TO 3 NM.
FRI
SW WINDS AROUND 15 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT.
FRI NIGHT THROUGH SAT NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP
TO 25 KT. SEAS 3 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ281-170600-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
104 PM EDT TUE JUN 16 2026
THIS AFTERNOON
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: S 4 FT AT 8 SECONDS AND NW 2 FT AT 4 SECONDS.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE
DETAIL: S 4 FT AT 8 SECONDS AND W 2 FT AT 4 SECONDS.
WED
S WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL: S 3 FT
AT 7 SECONDS AND W 1 FOOT AT 4 SECONDS.
WED NIGHT
S WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S
3 FT AT 7 SECONDS AND W 1 FOOT AT 4 SECONDS.
THU
S WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT, INCREASING TO
20 TO 25 KT WITH GUSTS UP TO 30 KT IN THE AFTERNOON. SEAS 3 TO
4 FT, BUILDING TO 4 TO 6 FT IN THE AFTERNOON. WAVE DETAIL: S 3 FT
AT 7 SECONDS AND SW 1 FOOT AT 4 SECONDS, BECOMING S 5 FT AT
7 SECONDS AND SW 1 FOOT AT 4 SECONDS.
THU NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
6 TO 8 FT. WAVE DETAIL: SW 7 FT AT 6 SECONDS AND E 1 FOOT AT
7 SECONDS. A CHANCE OF SHOWERS. PATCHY FOG IN THE EVENING. VSBY
1 TO 3 NM.
FRI
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
7 FT. A CHANCE OF SHOWERS.
FRI NIGHT THROUGH SAT NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP
TO 25 KT. SEAS 4 TO 6 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ282-170600-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
104 PM EDT TUE JUN 16 2026
THIS AFTERNOON
W WINDS AROUND 10 KT. SEAS AROUND 4 FT. WAVE
DETAIL: S 4 FT AT 8 SECONDS AND W 2 FT AT 5 SECONDS.
TONIGHT
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT AT 8 SECONDS AND W 2 FT AT
5 SECONDS.
WED
SE WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL: S 3 FT
AT 7 SECONDS AND W 1 FOOT AT 4 SECONDS.
WED NIGHT
S WINDS AROUND 5 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S
4 FT AT 7 SECONDS AND W 1 FOOT AT 4 SECONDS.
THU
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, INCREASING TO
20 TO 25 KT WITH GUSTS UP TO 30 KT IN THE AFTERNOON. SEAS AROUND
4 FT, BUILDING TO 5 TO 7 FT IN THE AFTERNOON. WAVE DETAIL: S 4 FT
AT 7 SECONDS AND SW 1 FOOT AT 4 SECONDS, BECOMING SW 7 FT AT
7 SECONDS AND E 1 FOOT AT 8 SECONDS.
THU NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
7 TO 9 FT. WAVE DETAIL: SW 8 FT AT 6 SECONDS AND E 1 FOOT AT
7 SECONDS. A CHANCE OF SHOWERS.
FRI
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
7 FT. A CHANCE OF SHOWERS.
FRI NIGHT THROUGH SAT NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP
TO 25 KT. SEAS 4 TO 6 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ283-170600-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
104 PM EDT TUE JUN 16 2026
THIS AFTERNOON
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT AT 8 SECONDS AND W 2 FT AT
4 SECONDS.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE
DETAIL: S 3 FT AT 8 SECONDS AND W 2 FT AT 4 SECONDS.
WED
SE WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL: S 3 FT
AT 7 SECONDS AND W 1 FOOT AT 4 SECONDS.
WED NIGHT
S WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S
3 FT AT 7 SECONDS AND SW 1 FOOT AT 4 SECONDS.
THU
S WINDS 15 TO 20 KT, INCREASING TO 20 TO 25 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 4 TO 5 FT, BUILDING TO 5 TO
8 FT IN THE AFTERNOON. WAVE DETAIL: S 5 FT AT 6 SECONDS AND E
1 FOOT AT 7 SECONDS, BECOMING S 7 FT AT 7 SECONDS AND W 2 FT AT
7 SECONDS.
THU NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
8 TO 9 FT, SUBSIDING TO 6 TO 8 FT AFTER MIDNIGHT. WAVE DETAIL: SW
8 FT AT 7 SECONDS AND W 2 FT AT 9 SECONDS, BECOMING SW 8 FT AT
8 SECONDS AND W 3 FT AT 8 SECONDS. A CHANCE OF SHOWERS AFTER
MIDNIGHT.
FRI
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
7 FT. A CHANCE OF SHOWERS.
FRI NIGHT THROUGH SAT NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP
TO 25 KT. SEAS 4 TO 6 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
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